289766620223 has 4 divisors (see below), whose sum is σ = 291978579288. Its totient is φ = 287554661160.

The previous prime is 289766620201. The next prime is 289766620303. The reversal of 289766620223 is 322026667982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322026667982 = 2 ⋅161013333991.

It is a cyclic number.

It is not a de Polignac number, because 289766620223 - 2¹⁶ = 289766554687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289766620823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105979336 + ... + 1105979597.

It is an arithmetic number, because the mean of its divisors is an integer number (72994644822).

Almost surely, 2^289766620223 is an apocalyptic number.

289766620223 is a deficient number, since it is larger than the sum of its proper divisors (2211959065).

289766620223 is a wasteful number, since it uses less digits than its factorization.

289766620223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211959064.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 289766620223 in words is "two hundred eighty-nine billion, seven hundred sixty-six million, six hundred twenty thousand, two hundred twenty-three".